diff --git a/unified-worker/unified_worker.py b/unified-worker/unified_worker.py
index 4392aa2..ad78685 100644
--- a/unified-worker/unified_worker.py
+++ b/unified-worker/unified_worker.py
@@ -139,31 +139,21 @@ sqs = boto3.client('sqs', region_name=config.aws_region)
 s3 = boto3.client('s3', region_name=config.aws_region)
 ses = boto3.client('ses', region_name=config.aws_region)
 
-# DynamoDB - initialized lazily
+# DynamoDB
 dynamodb = boto3.resource('dynamodb', region_name=config.aws_region)
 DYNAMODB_AVAILABLE = False
 rules_table = None
 messages_table = None
-_dynamodb_initialized = False
 
-def init_dynamodb():
-    """Initialize DynamoDB tables (called once from main)"""
-    global DYNAMODB_AVAILABLE, rules_table, messages_table, _dynamodb_initialized
-    
-    if _dynamodb_initialized:
-        return
-    _dynamodb_initialized = True
-    
-    try:
-        rules_table = dynamodb.Table(config.rules_table)
-        messages_table = dynamodb.Table(config.messages_table)
-        # Test connection
-        rules_table.table_status
-        messages_table.table_status
-        DYNAMODB_AVAILABLE = True
-        log(f"DynamoDB connected: {config.rules_table}, {config.messages_table}")
-    except Exception as e:
-        log(f"Warning: DynamoDB not available: {e}", 'WARNING')
+try:
+    rules_table = dynamodb.Table(config.rules_table)
+    messages_table = dynamodb.Table(config.messages_table)
+    # Test connection
+    rules_table.table_status
+    messages_table.table_status
+    DYNAMODB_AVAILABLE = True
+except Exception as e:
+    pass  # Will be logged at startup
 
 # ============================================
 # SMTP CONNECTION POOL
@@ -1035,8 +1025,9 @@ def poll_domain(domain: str, queue_url: str, stop_event: threading.Event):
                     pass
             
             if not messages:
-                if time.time() - last_activity > 60:
-                    log(f"Waiting for messages... (processed: {messages_processed})", 'INFO', worker_name)
+                # Only log every 5 minutes to reduce noise
+                if time.time() - last_activity > 300:
+                    log(f"Idle (processed: {messages_processed})", 'INFO', worker_name)
                     last_activity = time.time()
                 continue
             
@@ -1148,10 +1139,19 @@ class UnifiedWorker:
         
         log(f"Started {len(self.poller_threads)} domain pollers")
         
-        # Warten bis Shutdown
+        # Periodic status log (every 5 minutes)
+        last_status_log = time.time()
+        status_interval = 300  # 5 minutes
+        
         try:
             while not self.stop_event.is_set():
-                self.stop_event.wait(timeout=1)
+                self.stop_event.wait(timeout=10)
+                
+                # Log status summary every 5 minutes
+                if time.time() - last_status_log > status_interval:
+                    active_threads = sum(1 for t in self.poller_threads if t.is_alive())
+                    log(f"📊 Status: {active_threads}/{len(self.poller_threads)} pollers active, {len(self.queue_urls)} domains")
+                    last_status_log = time.time()
         except KeyboardInterrupt:
             pass
     
@@ -1209,9 +1209,18 @@ def start_health_server(worker: UnifiedWorker):
                 self.end_headers()
         
         def log_message(self, format, *args):
-            pass  # Suppress HTTP logs
+            pass  # Suppress HTTP access logs
     
-    server = HTTPServer(('0.0.0.0', config.health_port), HealthHandler)
+    class SilentHTTPServer(HTTPServer):
+        """HTTP Server that ignores connection reset errors from scanners"""
+        def handle_error(self, request, client_address):
+            exc_type = sys.exc_info()[0]
+            if exc_type in (ConnectionResetError, BrokenPipeError, ConnectionAbortedError):
+                pass  # Silently ignore - these are just scanners/health checks disconnecting
+            else:
+                log(f"Health server error from {client_address[0]}: {sys.exc_info()[1]}", 'WARNING')
+    
+    server = SilentHTTPServer(('0.0.0.0', config.health_port), HealthHandler)
     thread = threading.Thread(target=server.serve_forever, daemon=True, name='health-server')
     thread.start()
     log(f"Health server on port {config.health_port}")
@@ -1221,20 +1230,6 @@ def start_health_server(worker: UnifiedWorker):
 # ============================================
 
 def main():
-    # Use a lock file to prevent double execution
-    import fcntl
-    lock_file = '/tmp/unified_worker.lock'
-    
-    try:
-        lock_fd = open(lock_file, 'w')
-        fcntl.flock(lock_fd, fcntl.LOCK_EX | fcntl.LOCK_NB)
-    except (IOError, OSError):
-        print("Another instance is already running, exiting.", flush=True)
-        sys.exit(0)
-    
-    # Initialize DynamoDB (only once)
-    init_dynamodb()
-    
     worker = UnifiedWorker()
     
     def signal_handler(signum, frame):